{% if site.plugins contains 'jekyll-seo-tag' or site.gems contains 'jekyll-seo-tag' %}
{% comment %}
Add metadata for search engines and social networks if jekyll-seo-tag plugin is enabled
{% endcomment %}
{% include head-seo.html %}
{% else %}
{% if page.title %}{{ page.title | escape }}{% else %}{{ site.title | escape }}{% endif %}
{% endif %}
{% if site.data.theme.google_fonts %}
{% endif %}
{% if site.plugins contains 'jekyll-feed' or site.gems contains 'jekyll-feed'%}
{% comment %}
Add Atom feed link if jekyll-feed plugin is enabled
{% endcomment %}
{% include head-feed.html %}
{% endif %}